Concentric Ring Structured Reconfigurable Antenna using MEMS Switches for Wireless Communication Applications. - G. Ram Prasad; Boddapati Taraka Phani Madhav; Pokkunuri Pardhasaradhi; Yalavarthi Usha Devi; B. Prudhvi Nadh; Tirunagari Anilkumar; M. Venkateswara Rao (Wirel. Pers. Commun., 2021)